First causes are outside the realm of science.

It is what we know already that often prevents us from learning.

The experimenter who does not know what he is looking for will not understand what he finds.

When we meet a fact which contradicts a prevailing theory, we must accept the fact and abandon the theory, even when the theory is supported by great names and generally accepted.

Man can learn nothing unless he proceeds from the known to the unknown.

The terrain is everything; the germ is nothing.

Art is 'I'; science is 'we'.

A fact in itself is nothing. It is valuable only for the idea attached to it, or for the proof which it furnishes.

Those who do not know the torment of the unknown cannot have the joy of discovery.

Science increases our power in proportion as it lowers our pride.

All the vital mechanisms, varied as they are, have only one object, that of preserving constant the conditions of life in the internal environment.

Instead of making prisoners out of our students, we ought to make students out of our prisoners.

Religion doesn’t mean obeying some textual rules from books that were written hundreds or thousands of years ago. Religion means realization of the self.

I think I'll have a large order of prognosis negative.

I do not want to believe in God. Therefore I choose to believe in that which I know is scientifically impossible, spontaneous generation leading to evolution.

Most movies, once the action starts there's no more characters. You say a couple of dumb lines and then there's just explosions until the end.

The best gig is the one you've got.

You fixed yourself. You didn’t need me.” “No, Sydney.” My voice was ragged. “I do need you. You have no idea how much I need you.

Without a serious study of journalism, there can be no understanding of citizenship, democracy, or community.

It is only on the condition of humility and reverence before the world that our species will be able to remain in it.

Our noisy years seem moments in the being Of the eternal Silence.